Home / 2,059,428.40-3,089,434.20-639,336.40

Finding the Fourth Proportional to 2,059,428.40, 3,089,434.20 and 639,336.40

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Solution

The fourth proportional to 2,059,428.40, 3,089,434.20 and 639,336.40 is: 959,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059,428.40 : 3,089,434.20 = 639,336.40 : x
  2. Step 2: Convert to fraction form
    2,059,428.40/3,089,434.20 = 639,336.40/x
  3. Step 3: Cross multiply
    2,059,428.40x = 3,089,434.20 × 639,336.40
  4. Step 4: Simplify right side
    2,059,428.40x = 1,975,187,739,464.88
  5. Step 5: Solve for x
    x = 1,975,187,739,464.88/2,059,428.40
  6. Step 6: Final answer
    x = 959,095.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.